Dell PowerVault MD3420 - Manual (Page 43)

5
Technical Specifications
Physical Disks
Physical disks Up to twelve 3.5 inch or twenty-four 2.5 inch SAS,
nearline SAS physical disks, or SAS SSDs
RAID Controller Modules
RAID controller modules Two hot-swappable modules with temperature sensors
4GB or 8GB of cache per controller
Provides host-to-controller 12 Gbps SAS connection
Expansion Modules
Dell PowerVault MD1200 and MD1220
expansion enclosures Each expansion enclosure holds Up to twelve 3.5 inch or
twenty-four 2.5 inch SAS, nearline SAS physical disks, or
SAS SSDs
Redundant path connectivity provides redundant data
paths to each hard drive
NOTE: Support for 192 physical disks is a premium
feature and requires activation.
SAS connectors Two SAS IN ports to connect hosts
One SAS OUT port for expansion to additional
PowerVault MD1200 or MD1220 expansion enclosure
NOTE: SAS connectors are SFF-8088 compliant.
Serial connector (debug port) One 6-pin mini-DIN connector
NOTE: For technical support use only.
Back-Panel Connectors (Per RAID Controller
Module)
SAS connectors Four SAS IN ports to connect to hosts
NOTE: SAS connectors are SFF-8088 compliant.
NOTE: It is recommended that you use one port.
Serial connector (debug port) One mini-USB port
43